Gaelic Square Housing, ME
Exceeded the action level in the past
Latest 90th-percentile lead: 0.7 ppb (monitoring period 2025-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Who runs the water here
Gaelic Square Housing serves about 50 people through 20 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Washington County, Maine. EPA system ID: ME0090745; phone on file: 207-265-4006. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
Against the period ending 2025 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Gaelic Square Housing is 19 ppb across 13 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.7 ppb |
| 2025 | 0 (not detected) |
| 2024 | 4.2 ppb |
| 2024 | 9 ppb |
| 2023 | 1.3 ppb |
| 2023 | 3.5 ppb |
| 2022 | 1.6 ppb |
| 2022 | 19 ppb over 15 |
| 2021 | 4 ppb |
| 2021 | 3.8 ppb |
| 2020 | 4.9 ppb |
| 2019 | 2 ppb |
| 2017 | 2 ppb |
How Gaelic Square Housing compares
Of the 358 Maine systems with a lead result, the median latest reading is 1.5 ppb; 2 are over 15 ppb right now and 40 have gone over at some point. Gaelic Square Housing's 0.7 ppb sits at the 34th percentile in Maine and the 46th nationally (higher means more lead).
Other water systems in Washington County
21 other systems share Washington County; 14 of them have a higher latest lead result than Gaelic Square Housing. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Calais Water Dept | 2,775 | 2.4 ppb |
| Passamaquoddy Water District | 2,125 | 0.8 ppb |
| Lubec Water District | 1,775 | 0.81 ppb |
| Baileyville Utilities District | 1,688 | 3.68 ppb |
| Machias Water Company | 1,390 | 2.4 ppb |
| Indian Township Tribal Water System | 535 | 0 (not detected) |
| Milbridge Water District | 405 | 1.5 ppb |
| Danforth Water District | 313 | 5 ppb |
| Quantabacook Water District | 303 | 0.62 ppb |
| Addison Point Water District | 168 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Bangor, ME may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Gaelic Square Housing whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 3400 ppb (copper action level 1,300 ppb).
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. The lead result guide covers how utilities pick the homes they sample. More in what a past exceedance means today.